After I read John's article from here. https://classiccampstoves.com/threads/coleman-501-butane-conversion.18076/ I also want to convert my Coleman 502 to burning butane. This is very important, this method is fast conversion but not safe. So every time I inflate, I only have enough to use it once. 1.Buy a WE G Series Magazine Fill Valve 2.Disassemble fuel cap and install fill valve 3.Test small fire 4.Test full power 5.Done Koi
